Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is another front view thereof, in which a display screen in broken lines is provided to illustrate an example environment.

The broken lines shown in the figures illustrate portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design. The dot-dash broken lines in the figures represent a boundary and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 